HEADER MEMBRANE PROTEIN 02-MAR-24 8YJP TITLE CRYO-EM STRUCTURE OF HUMAN APO GPR156 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROBABLE G-PROTEIN COUPLED RECEPTOR 156; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: G-PROTEIN COUPLED RECEPTOR PGR28,GABAB-RELATED G-PROTEIN COMPND 5 COUPLED RECEPTOR; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: GPR156, GABABL, PGR28; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS GPCR, CLASS C, GPR156, CRYO-EM, HOMODIMER, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR X.Y.MA,L.N.CHEN,M.H.LIAO,L.Y.ZHANG,K.XI,J.M.GUO REVDAT 1 05-FEB-25 8YJP 0 JRNL AUTH X.MA,L.N.CHEN,M.LIAO,L.ZHANG,K.XI,J.GUO,C.SHEN,D.D.SHEN, JRNL AUTH 2 P.CAI,Q.SHEN,J.QI,H.ZHANG,S.K.ZANG,Y.J.DONG,L.MIAO,J.QIN, JRNL AUTH 3 S.Y.JI,Y.LI,J.LIU,C.MAO,Y.ZHANG,R.CHAI JRNL TITL MOLECULAR INSIGHTS INTO THE ACTIVATION MECHANISM OF GPR156 JRNL TITL 2 IN MAINTAINING AUDITORY FUNCTION. JRNL REF NAT COMMUN V. 15 10601 2024 JRNL REFN ESSN 2041-1723 JRNL PMID 39638804 JRNL DOI 10.1038/S41467-024-54681-5 REMARK 2 REMARK 2 RESOLUTION. 3.09 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : NULL REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.090 REMARK 3 NUMBER OF PARTICLES : 164823 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 8YJP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 06-MAR-24. REMARK 100 THE DEPOSITION ID IS D_1300044909. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : GPR156 REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 700.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1500.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5200.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 465 GLU A 2 REMARK 465 PRO A 3 REMARK 465 GLU A 4 REMARK 465 ILE A 5 REMARK 465 ASN A 6 REMARK 465 CYS A 7 REMARK 465 SER A 8 REMARK 465 GLU A 9 REMARK 465 LEU A 10 REMARK 465 CYS A 11 REMARK 465 ASP A 12 REMARK 465 SER A 13 REMARK 465 PHE A 14 REMARK 465 PRO A 15 REMARK 465 GLY A 16 REMARK 465 GLN A 17 REMARK 465 GLU A 18 REMARK 465 LEU A 19 REMARK 465 ASP A 20 REMARK 465 ARG A 21 REMARK 465 GLU A 320 REMARK 465 GLU A 321 REMARK 465 ASN A 322 REMARK 465 GLN A 323 REMARK 465 THR A 324 REMARK 465 ILE A 325 REMARK 465 ARG A 326 REMARK 465 ARG A 327 REMARK 465 MET A 328 REMARK 465 ALA A 329 REMARK 465 LYS A 330 REMARK 465 TYR A 331 REMARK 465 PHE A 332 REMARK 465 SER A 333 REMARK 465 THR A 334 REMARK 465 PRO A 335 REMARK 465 ASN A 336 REMARK 465 LYS A 337 REMARK 465 SER A 338 REMARK 465 PHE A 339 REMARK 465 HIS A 340 REMARK 465 THR A 341 REMARK 465 GLN A 342 REMARK 465 TYR A 343 REMARK 465 GLY A 344 REMARK 465 GLU A 345 REMARK 465 GLU A 346 REMARK 465 MET B 1 REMARK 465 GLU B 2 REMARK 465 PRO B 3 REMARK 465 GLU B 4 REMARK 465 ILE B 5 REMARK 465 ASN B 6 REMARK 465 CYS B 7 REMARK 465 SER B 8 REMARK 465 GLU B 9 REMARK 465 LEU B 10 REMARK 465 CYS B 11 REMARK 465 ASP B 12 REMARK 465 SER B 13 REMARK 465 PHE B 14 REMARK 465 PRO B 15 REMARK 465 GLY B 16 REMARK 465 GLN B 17 REMARK 465 GLU B 18 REMARK 465 LEU B 19 REMARK 465 ASP B 20 REMARK 465 ARG B 21 REMARK 465 GLU B 320 REMARK 465 GLU B 321 REMARK 465 ASN B 322 REMARK 465 GLN B 323 REMARK 465 THR B 324 REMARK 465 ILE B 325 REMARK 465 ARG B 326 REMARK 465 ARG B 327 REMARK 465 MET B 328 REMARK 465 ALA B 329 REMARK 465 LYS B 330 REMARK 465 TYR B 331 REMARK 465 PHE B 332 REMARK 465 SER B 333 REMARK 465 THR B 334 REMARK 465 PRO B 335 REMARK 465 ASN B 336 REMARK 465 LYS B 337 REMARK 465 SER B 338 REMARK 465 PHE B 339 REMARK 465 HIS B 340 REMARK 465 THR B 341 REMARK 465 GLN B 342 REMARK 465 TYR B 343 REMARK 465 GLY B 344 REMARK 465 GLU B 345 REMARK 465 GLU B 346 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 22 CG CD NE CZ NH1 NH2 REMARK 470 PRO A 23 CG CD REMARK 470 LEU A 24 CG CD1 CD2 REMARK 470 HIS A 25 CG ND1 CD2 CE1 NE2 REMARK 470 ASP A 26 CG OD1 OD2 REMARK 470 LEU A 27 CG CD1 CD2 REMARK 470 CYS A 28 SG REMARK 470 LYS A 29 CG CD CE NZ REMARK 470 THR A 30 OG1 CG2 REMARK 470 THR A 31 OG1 CG2 REMARK 470 ILE A 32 CG1 CG2 CD1 REMARK 470 THR A 33 OG1 CG2 REMARK 470 SER A 34 OG REMARK 470 SER A 35 OG REMARK 470 HIS A 36 CG ND1 CD2 CE1 NE2 REMARK 470 HIS A 37 CG ND1 CD2 CE1 NE2 REMARK 470 SER A 38 OG REMARK 470 SER A 39 OG REMARK 470 LYS A 40 CG CD CE NZ REMARK 470 THR A 41 OG1 CG2 REMARK 470 ILE A 42 CG1 CG2 CD1 REMARK 470 ARG B 22 CG CD NE CZ NH1 NH2 REMARK 470 PRO B 23 CG CD REMARK 470 LEU B 24 CG CD1 CD2 REMARK 470 HIS B 25 CG ND1 CD2 CE1 NE2 REMARK 470 ASP B 26 CG OD1 OD2 REMARK 470 LEU B 27 CG CD1 CD2 REMARK 470 CYS B 28 SG REMARK 470 LYS B 29 CG CD CE NZ REMARK 470 THR B 30 OG1 CG2 REMARK 470 THR B 31 OG1 CG2 REMARK 470 ILE B 32 CG1 CG2 CD1 REMARK 470 THR B 33 OG1 CG2 REMARK 470 SER B 34 OG REMARK 470 SER B 35 OG REMARK 470 HIS B 36 CG ND1 CD2 CE1 NE2 REMARK 470 HIS B 37 CG ND1 CD2 CE1 NE2 REMARK 470 SER B 38 OG REMARK 470 SER B 39 OG REMARK 470 LYS B 40 CG CD CE NZ REMARK 470 THR B 41 OG1 CG2 REMARK 470 ILE B 42 CG1 CG2 CD1 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 PRO A 23 1.20 -67.24 REMARK 500 THR A 41 150.62 70.22 REMARK 500 SER A 44 32.99 -141.08 REMARK 500 SER A 84 73.98 57.88 REMARK 500 SER A 115 -37.29 -39.95 REMARK 500 ASP A 187 88.50 -160.15 REMARK 500 HIS A 282 46.90 -83.58 REMARK 500 SER B 34 21.71 -74.30 REMARK 500 HIS B 37 -25.51 73.11 REMARK 500 SER B 38 -140.82 62.63 REMARK 500 PRO B 47 43.26 -79.67 REMARK 500 ARG B 75 46.61 -89.09 REMARK 500 SER B 84 75.48 54.38 REMARK 500 PRO B 253 -3.26 -55.73 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-39345 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF HUMAN APO GPR156 DBREF 8YJP A 1 346 UNP Q8NFN8 GP156_HUMAN 1 346 DBREF 8YJP B 1 346 UNP Q8NFN8 GP156_HUMAN 1 346 SEQRES 1 A 346 MET GLU PRO GLU ILE ASN CYS SER GLU LEU CYS ASP SER SEQRES 2 A 346 PHE PRO GLY GLN GLU LEU ASP ARG ARG PRO LEU HIS ASP SEQRES 3 A 346 LEU CYS LYS THR THR ILE THR SER SER HIS HIS SER SER SEQRES 4 A 346 LYS THR ILE SER SER LEU SER PRO VAL LEU LEU GLY ILE SEQRES 5 A 346 VAL TRP THR PHE LEU SER CYS GLY LEU LEU LEU ILE LEU SEQRES 6 A 346 PHE PHE LEU ALA PHE THR ILE HIS CYS ARG LYS ASN ARG SEQRES 7 A 346 ILE VAL LYS MET SER SER PRO ASN LEU ASN ILE VAL THR SEQRES 8 A 346 LEU LEU GLY SER CYS LEU THR TYR SER SER ALA TYR LEU SEQRES 9 A 346 PHE GLY ILE GLN ASP VAL LEU VAL GLY SER SER MET GLU SEQRES 10 A 346 THR LEU ILE GLN THR ARG LEU SER MET LEU CYS ILE GLY SEQRES 11 A 346 THR SER LEU VAL PHE GLY PRO ILE LEU GLY LYS SER TRP SEQRES 12 A 346 ARG LEU TYR LYS VAL PHE THR GLN ARG VAL PRO ASP LYS SEQRES 13 A 346 ARG VAL ILE ILE LYS ASP LEU GLN LEU LEU GLY LEU VAL SEQRES 14 A 346 ALA ALA LEU LEU MET ALA ASP VAL ILE LEU LEU MET THR SEQRES 15 A 346 TRP VAL LEU THR ASP PRO ILE GLN CYS LEU GLN ILE LEU SEQRES 16 A 346 SER VAL SER MET THR VAL THR GLY LYS ASP VAL SER CYS SEQRES 17 A 346 THR SER THR SER THR HIS PHE CYS ALA SER ARG TYR SER SEQRES 18 A 346 ASP VAL TRP ILE ALA LEU ILE TRP GLY CYS LYS GLY LEU SEQRES 19 A 346 LEU LEU LEU TYR GLY ALA TYR LEU ALA GLY LEU THR GLY SEQRES 20 A 346 HIS VAL SER SER PRO PRO VAL ASN GLN SER LEU THR ILE SEQRES 21 A 346 MET VAL GLY VAL ASN LEU LEU VAL LEU ALA ALA GLY LEU SEQRES 22 A 346 LEU PHE VAL VAL THR ARG TYR LEU HIS SER TRP PRO ASN SEQRES 23 A 346 LEU VAL PHE GLY LEU THR SER GLY GLY ILE PHE VAL CYS SEQRES 24 A 346 THR THR THR ILE ASN CYS PHE ILE PHE ILE PRO GLN LEU SEQRES 25 A 346 LYS GLN TRP LYS ALA PHE GLU GLU GLU ASN GLN THR ILE SEQRES 26 A 346 ARG ARG MET ALA LYS TYR PHE SER THR PRO ASN LYS SER SEQRES 27 A 346 PHE HIS THR GLN TYR GLY GLU GLU SEQRES 1 B 346 MET GLU PRO GLU ILE ASN CYS SER GLU LEU CYS ASP SER SEQRES 2 B 346 PHE PRO GLY GLN GLU LEU ASP ARG ARG PRO LEU HIS ASP SEQRES 3 B 346 LEU CYS LYS THR THR ILE THR SER SER HIS HIS SER SER SEQRES 4 B 346 LYS THR ILE SER SER LEU SER PRO VAL LEU LEU GLY ILE SEQRES 5 B 346 VAL TRP THR PHE LEU SER CYS GLY LEU LEU LEU ILE LEU SEQRES 6 B 346 PHE PHE LEU ALA PHE THR ILE HIS CYS ARG LYS ASN ARG SEQRES 7 B 346 ILE VAL LYS MET SER SER PRO ASN LEU ASN ILE VAL THR SEQRES 8 B 346 LEU LEU GLY SER CYS LEU THR TYR SER SER ALA TYR LEU SEQRES 9 B 346 PHE GLY ILE GLN ASP VAL LEU VAL GLY SER SER MET GLU SEQRES 10 B 346 THR LEU ILE GLN THR ARG LEU SER MET LEU CYS ILE GLY SEQRES 11 B 346 THR SER LEU VAL PHE GLY PRO ILE LEU GLY LYS SER TRP SEQRES 12 B 346 ARG LEU TYR LYS VAL PHE THR GLN ARG VAL PRO ASP LYS SEQRES 13 B 346 ARG VAL ILE ILE LYS ASP LEU GLN LEU LEU GLY LEU VAL SEQRES 14 B 346 ALA ALA LEU LEU MET ALA ASP VAL ILE LEU LEU MET THR SEQRES 15 B 346 TRP VAL LEU THR ASP PRO ILE GLN CYS LEU GLN ILE LEU SEQRES 16 B 346 SER VAL SER MET THR VAL THR GLY LYS ASP VAL SER CYS SEQRES 17 B 346 THR SER THR SER THR HIS PHE CYS ALA SER ARG TYR SER SEQRES 18 B 346 ASP VAL TRP ILE ALA LEU ILE TRP GLY CYS LYS GLY LEU SEQRES 19 B 346 LEU LEU LEU TYR GLY ALA TYR LEU ALA GLY LEU THR GLY SEQRES 20 B 346 HIS VAL SER SER PRO PRO VAL ASN GLN SER LEU THR ILE SEQRES 21 B 346 MET VAL GLY VAL ASN LEU LEU VAL LEU ALA ALA GLY LEU SEQRES 22 B 346 LEU PHE VAL VAL THR ARG TYR LEU HIS SER TRP PRO ASN SEQRES 23 B 346 LEU VAL PHE GLY LEU THR SER GLY GLY ILE PHE VAL CYS SEQRES 24 B 346 THR THR THR ILE ASN CYS PHE ILE PHE ILE PRO GLN LEU SEQRES 25 B 346 LYS GLN TRP LYS ALA PHE GLU GLU GLU ASN GLN THR ILE SEQRES 26 B 346 ARG ARG MET ALA LYS TYR PHE SER THR PRO ASN LYS SER SEQRES 27 B 346 PHE HIS THR GLN TYR GLY GLU GLU HET MW9 A 401 53 HET MW9 A 402 53 HET CLR A 403 28 HET CLR A 404 28 HET CLR A 405 28 HET CLR A 406 28 HET CLR A 407 28 HET CLR B 401 28 HET CLR B 402 28 HET MW9 B 403 53 HET MW9 B 404 53 HET CLR B 405 28 HET CLR B 406 28 HETNAM MW9 (21R,24R,27S)-24,27,28-TRIHYDROXY-18,24-DIOXO-19,23,25- HETNAM 2 MW9 TRIOXA-24LAMBDA~5~-PHOSPHAOCTACOSAN-21-YL (9Z)- HETNAM 3 MW9 OCTADEC-9-ENOATE HETNAM CLR CHOLESTEROL HETSYN MW9 1-STEAROYL-2-OLEOYL-SN-GLYCERO-3-PHOSPHO-(1'-RAC- HETSYN 2 MW9 GLYCEROL) FORMUL 3 MW9 4(C42 H81 O10 P) FORMUL 5 CLR 9(C27 H46 O) HELIX 1 AA1 PRO A 23 SER A 34 1 12 HELIX 2 AA2 SER A 46 CYS A 74 1 29 HELIX 3 AA3 ASN A 77 SER A 83 1 7 HELIX 4 AA4 SER A 84 GLY A 106 1 23 HELIX 5 AA5 SER A 114 THR A 150 1 37 HELIX 6 AA6 LYS A 161 ASP A 187 1 27 HELIX 7 AA7 TYR A 220 THR A 246 1 27 HELIX 8 AA8 SER A 251 GLN A 256 1 6 HELIX 9 AA9 GLN A 256 LEU A 281 1 26 HELIX 10 AB1 TRP A 284 GLU A 319 1 36 HELIX 11 AB2 PRO B 23 SER B 34 1 12 HELIX 12 AB3 VAL B 48 CYS B 74 1 27 HELIX 13 AB4 ASN B 77 SER B 83 1 7 HELIX 14 AB5 SER B 84 GLY B 106 1 23 HELIX 15 AB6 SER B 114 GLN B 151 1 38 HELIX 16 AB7 LYS B 161 ASP B 187 1 27 HELIX 17 AB8 TYR B 220 THR B 246 1 27 HELIX 18 AB9 SER B 251 GLN B 256 1 6 HELIX 19 AC1 GLN B 256 LEU B 281 1 26 HELIX 20 AC2 TRP B 284 GLU B 319 1 36 SHEET 1 AA1 4 THR A 209 CYS A 216 0 SHEET 2 AA1 4 CYS A 191 VAL A 201 -1 N SER A 196 O THR A 211 SHEET 3 AA1 4 GLN B 190 VAL B 201 -1 O VAL B 201 N GLN A 193 SHEET 4 AA1 4 VAL B 206 ALA B 217 -1 O THR B 209 N SER B 198 SSBOND 1 CYS A 191 CYS A 216 1555 1555 2.44 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000